Gunite Automatic Slack Adjuster Service Manual

Gunite Automatic Slack Adjuster
Installation and Service Manual
Assembled in the USA
Your only single source for industry-leading wheel end solutions.
STEEL & ALUMINUM WHEELS | DRUMS | HUBS | ROTORS | SLACK ADJUSTERS
2
TABLE OF CONTENTS
INTRODUCTION
Overview ............................................................................................................................................................................................................. 4
Clevis Descriptions ............................................................................................................................................................................................ 5
ASA Installation Preparation ........................................................................................................................................................................... 5
ASA Installation Procedures by Clevis ...........................................................................................................................................................6
Collar Lock Clevis ..................................................................................................................................................................................6
Threaded Clevis ..................................................................................................................................................................................... 8
Welded Clevis .......................................................................................................................................................................................10
Brake Adjustment ..............................................................................................................................................................................................11
Power Stroke Inspection ..................................................................................................................................................................................11
Recommended Maintenance .........................................................................................................................................................................12
Bushing Replacement .....................................................................................................................................................................................13
Cutting Push Rods ............................................................................................................................................................................................13
Brake Lining and/or Drum Replacement ......................................................................................................................................................14
Trouble Shooting ..............................................................................................................................................................................................15
WARNING
AS WITH ALL PRODUCTS, CLOSE ATTENTION SHOULD BE GIVEN TO ALL INSTRUCTIONS INCORPORATED IN THIS MANUAL, IN
PARTICULAR THE NOTES AND WARNINGS WHICH ARE HIGHLIGHTED. THIS MANUAL IS FOR GUNITE AUTOMATIC SLACK ADJUSTERS
ONLY.
FAILURE TO STRICTLY FOLLOW THESE INSTRUCTIONS MAY RESULT IN THE UNIT PERFORMING IN AN UNSATISFACTORY MANNER
AND RESULT IN INADEQUATE BRAKING ABILITY OR DRAGGING BRAKES. THESE CONDITIONS COULD MAKE OPERATION OF THE
VEHICLE EXTREMELY HAZARDOUS.
ATTENTION
WHEN INSTALLING OR REPLACING A GUNITE AUTOMATIC SLACK ADJUSTER, A NEW CLEVIS MUST BE INSTALLED.
REFER TO GUNITE PARTS CATALOG GUN1.0004 AND/OR ITS ADDENDUM FOR CLEVIS SELECTION.
WARNING
GUNITE AUTOMATIC SLACK ADJUSTERS SHOULD NOT BE MANUALLY ADJUSTED IN AN EFFORT TO CORRECT EXCESSIVE PUSH
ROD STROKE. EXCESSIVE PUSHROD STROKE INDICATES THAT A PROBLEM EXISTS WITH THE GUNITE AUTOMATIC SLACK
ADJUSTER, WITH THE INSTALLATION OF THE AUTOMATIC SLACK ADJUSTER, OR WITH THE RELATED FOUNDATION BRAKE
COMPONENTS, WHICH MANUAL ADJUSTMENT WILL NOT FIX. MANUAL ADJUSTMENT OF GUNITE AUTOMATIC SLACK ADJUSTERS
IS A DANGEROUS PRACTICE THAT COULD HAVE SERIOUS CONSEQUENCES, BECAUSE IT GIVES THE OPERATOR A FALSE SENSE OF
SECURITY ABOUT THE EFFECTIVENESS OF BRAKES WHICH ARE LIKELY TO GO OUT OF ADJUSTMENT AGAIN SOON.
3
Overview
THE BRAKES SHOULD BE IN GOOD OPERATING CONDITION
AND STATE OF REPAIR WHEN GUNITE AUTOMATIC SLACK
ADJUSTERS ARE INSTALLED. NO SLACK ADJUSTER CAN
COMPENSATE FOR PROBLEMS AND DEFICIENCIES IN THE
FOUNDATION BRAKING SYSTEM.
Gunite offers a complete line of unhanded automatic slack adjusters
for installation on steer, drive, and trailer axles. The space required
for the Gunite automatic slack adjuster is similar to that which is
required for manual slack adjusters. Gunite automatic slack adjusters
do not require any external brackets, adapters, or special mounting
holes for installation.
Popular spline and arm length combinations allow them to be used
to replace most other slack adjusters. However, brands should not be
mixed on the same axle.
Link
Clevis
1/2" or 5/8" Pin
1/4" Pin
Boot
Grease Fitting
Hex Extension
Drilled & Grooved
Worm Wheel
Figure 1 – Gunite Automatic Slack Adjuster
4
Clevis Descriptions
1" Pin Center Distance Clevises (Use with Traditional 1" Pin Distance ASA, Installation Gauge SD04603)
1" Pin Center Distance
Collar Lock Clevis 3/4" Hex Nut
Collar Lock Clevis 1-1/4" Hex Nut
Standard
Standard Collar
Threaded Clevis
Lock Clevis
Standard length clevises can be used for
either truck or trailer applications.
Extended
Extended Collar
Threaded Clevis
Lock Clevis
Extended clevises should be used
for trailer applications only.
1.3" Pin Center Distance Clevises (Use with Gunite 2000 ASA, Installation Gauge SD04604)
1.3" Pin Center Distance
Gunite 2000
Threaded Clevis
Welded On
Clevis Pushrod
Figure 2 – Clevis Types
ASA Installation Preparation
1
2
Block the vehicle’s wheels. If the axle is equipped with spring
brakes, manually cage the brakes following the manufacturer’s
recommended procedures.
Remove the existing clevis and Gunite automatic slack adjuster.
Keep the existing mounting hardware. Do not remove the clevis jam
nut.
Check the operating condition of the foundation brakes, including
drums, shoe and lining, cams, bushings, rollers, etc. Replace or
repair as necessary.
Refer to Figure 2 and determine if your Gunite automatic slack
adjusters are equipped with the threaded clevis, welded clevis, or the
collar lock clevis (extended or standard length). Refer to the correct
installation procedure for the style of clevis used on your Gunite
automatic slack adjusters.
5
ASA Installation Procedures by Clevis
Collar Lock Clevis ASA Installation Procedure
4
1
Apply anti-seize to the chamber push rod threads before installing
the new clevis. Also apply anti-seize to the camshaft at this time.
Using the hex extension and a wrench, adjust the Gunite automatic
slack adjuster so that the collar nut aligns with the threaded area of
the clevis. Do not use an air impact wrench on the 7/16" hex. It can
damage the clutch.
5
2
Before attaching the 1-1/4" collar nut to the clevis, check to make sure
the threaded push rod is fully engaged in the 3/4" hex nut. If the push
rod does not have full engagement, a new push rod must be installed
and cut to length. Refer to the section on cutting a new push rod to
length in this service manual.
When installing a Gunite automatic slack adjuster with a collar lock
clevis, place the 1-1/4" collar nut on the push rod against the 15/16"
jam nut. Next thread the 3/4" hex nut onto the push rod.
The push rod may extend up to 1/16" past the clevis opening. If the
push rod extends more than 1/16" past the clevis opening, mark the
push rod and remove the clevis to allow the push rod to be cut to the
proper length.
3
Gunite automatic slack adjusters using the collar lock clevis are
available with either standard or extended clevis designs depending
on the application. On trailer applications, an extended clevis can
be used instead of replacing the push rod. However, you must still
have full thread engagement inside the hex nut. If you have less
than full thread engagement, a new push rod must be installed. If
you replace the push rod, you must cut the new push rod to the
proper length. Refer to the section on cutting a new push rod to
length in this service manual. Do not use an extended clevis on
tractor applications, the extended clevis may interfere with the face
of the air chamber.
Install the slack onto the camshaft using the original mounting
hardware.
6
9
NOTE
On axles equipped with spring brake chambers, be sure the chambers
are fully caged before cutting the push rod. If the spring brakes are not
fully caged, the push rod can be cut too short.
6
Once the 1-1/4" collar nut has been properly tightened to the clevis,
tighten the 15/16" jam nut against the collar lock nut using 40 to 50
ft. lbs. of torque.
NOTE
Failure to tighten the jam nut will allow the air chamber push rod to
rotate in the clevis and change the installed position of the Gunite
automatic slack adjuster, preventing proper automatic slack adjuster
function.
After threading the 1-1/4" collar nut onto the clevis housing, place
the template over the large and small clevis pins as shown above.
7
10
Align the Gunite automatic slack adjuster by adjusting the 3/4"
hex nut on the push rod until the appropriate centering hole on the
template aligns with the center hole on the camshaft. The template
is provided with centering holes for 5, 5.5, 6, and 6.5 inch arm
lengths. Refer to page 4 for proper gauge.
Fully apply the brakes and allow the chamber push rod to travel
its maximum stroke. Clearance must exist between the Gunite
automatic slack adjuster and all adjacent chassis components.
Release the brakes.
8
After completing this step, refer to page 11 for Proper Brake
Adjustment and Power Stroke Inspection.
Using a torque wrench, tighten the 1-1/4" collar nut to the clevis
using 40 to 50 ft. lbs. of torque.
7
ASA Installation Procedures by Clevis
Threaded Clevis ASA Installation Procedure
1
4
Apply anti-seize to the chamber push rod threads before installing
the new clevis.
Align the clevis on the threaded push rod until the appropriate
centering hole on the template aligns with the center hole on the
camshaft. The template is provided with centering holes for 5, 5.5,
6, and 6.5 inch arm lengths.
2
Once the clevis has been properly adjusted, remove the template
and the two clevis pins.
5
When installing a Gunite automatic slack adjuster with a threaded
clevis, install the new clevis on the push rod in the same location
as the clevis which was removed. Do not tighten the jam nut at this
time.
Inspect the clevis installation to make sure that the threaded push
rod extends no more than 1/16" past the end of the opening of the
clevis in the clevis housing. If the push rod extends more than 1/16"
past the clevis housing, the clevis must be removed and the push
rod cut to the proper length.
3
It is also important to make sure that the push rod is not too short for
proper installation. To do this, check to make sure that the push rod
is not more than 1/8" short of being flush with the clevis opening on
a standard clevis (5/8" on an extended clevis). If the threaded push
rod is more than 1/8" from being flush with the clevis opening on a
standard clevis (5/8" on an extended clevis) it must be removed, a
new push rod must be installed and cut to the proper length.
Once the clevis has been installed on the threaded push rod, install
both the large and small clevis pins. Now position the installation
template over both the large and small clevis pins. Refer to page 5
for proper gauge.
Follow instructions in this service manual for cutting a push rod to
length.
8
8
NOTE
On axles equipped with spring brake chambers, be sure the chambers
are fully caged before cutting the push rod. If the spring brakes are not
fully caged, the push rod can be cut too short.
6
Once the clevis is properly aligned with the Gunite automatic slack
adjuster, insert both the large and small clevis pins and secure with
the cotter pins supplied.
9
Tighten the jam nut against the clevis housing using 40 to 50 ft.
lbs. of torque. If you do not tighten the jam nut now, it will allow the
clevis to rotate freely and change the position of the clevis resulting
in an improper installation.
NOTE
Failure to tighten the jam nut will allow the air chamber push rod to
rotate in the clevis and change the installed position of the slack,
preventing proper automatic slack adjuster function.
Fully apply the brakes and allow the chamber push rod to travel
its maximum stroke. Clearance must exist between the Gunite
automatic slack adjuster and all adjacent chassis components.
Release the brakes.
7
After completing this step, refer to page 11 for Proper Brake
Adjustment and Power Stroke Inspection.
Apply anti-seize compound to the camshaft and install the
automatic slack adjuster using the original mounting hardware. Use
the hex extension to align the automatic slack adjuster with the
clevis pin holes. Hold the link down while rotating the hex extension
clockwise. Failure to do so can cause the link to disengage from
the drive. Do not use an air impact wrench on the 7/16" hex. It can
damage the clutch.
9
ASA Installation Procedures by Clevis
Welded Clevis ASA Installation Procedure
NOTE
These installation instructions are for air chambers with a welded on clevis. Welded on clevises have a 1.3" pin center distance.
1
4
Apply anti-seize compound to the camshaft and install the
automatic slack adjuster using the original mounting hardware.
Properly shim the automatic slack adjuster by placing one of the
existing washers onto the camshaft. Next install the automatic slack
adjuster onto the camshaft and place the second washer on the end
of the camshaft, on the outside of the automatic slack adjuster.
Re-attach the retaining clip.
Insert the cotter pins into the large and small pin holes and secure
the cotter pins.
5
2
Using a 7/16" wrench or a socket, rotate the hex extension clockwise
until the holes in the Gunite automatic slack adjuster are properly
aligned with the corresponding holes in the welded clevis. Hold the
link down while rotating the hex extension clockwise. Failure to do
so can cause the link to disengage from the drive. Do not use an air
impact wrench on the 7/16" hex. It can damage the clutch.
Fully apply the brakes and allow the chamber push rod to travel
its maximum stroke. Clearance must exist between the Gunite
automatic slack adjuster and all adjacent chassis components.
Release the brakes.
3
NOTE
When installing the Gunite 2000 slack adjuster with a welded on clevis
air chamber, it is not necessary to use an installation gauge. The proper
mounting angle has been designed into the product.
After completing this step, refer to page 11 for Proper Brake
Adjustment and Power Stroke Inspection.
Insert the large and small pins in the proper clevis holes.
10
Brake Adjustment
Follow this Procedure to Properly Adjust the Brakes:
1
2
Using a 7/16" wrench or socket, rotate the hex extension clockwise
until the brake linings make contact with the braking surface of the
drum. Do not use an air impact wrench on the 7/16" hex. It can
damage the clutch.
Using a 7/16" wrench or socket, back off the Gunite automatic slack
adjuster by rotating the hex extension counterclockwise 1/2 turn.
This will require 15 to 50 ft. lbs. of torque. When backing off the
slack, a ratcheting sound will be heard.
WARNING
Gunite automatic slack adjusters should not be manually adjusted in an effort to correct excessive pushrod stroke. Excessive pushrod stroke indicates
that a problem exists with the Gunite automatic slack adjuster, with the installation of the automatic slack adjuster, or with the related foundation brake
components, which manual adjustment will not fix. Manual adjustment of Gunite automatic slack adjusters is a dangerous practice that could have serious
consequences because it gives the operator a false sense of security about the effectiveness of brakes which are likely to go out of adjustment again soon.
Power Stroke Inspection
1
3
Block the wheels and uncage the spring brakes.
2
Make an 90-psi brake application and allow the air chamber to
travel its maximum stroke. Measure the distance between the face
of the air chamber and the center of the large clevis pin (B) (see
Figure 3). The difference between the (A) measurement and the (B)
measurement is the push rod stroke. Check the charts located on
the next page for the proper maximum stroke after adjustment of the
brakes.
Using a ruler, measure the distance from the face of the air chamber
to the center of the large pin in the clevis (A). (see Figure 3)
11
“S TANDA R D ” CL A MP TYPE BR AK E CHAMBE R DATA
Type
Outside
Diameter
Rated
Stroke
Maximum
Legal Stroke
Limit
9
5-1/4
1.75
1-3/8
12
5-11/16
1.75
1-3/8
16
6-3/8
2.25
1-3/4
20
6-25/32
2.25
1-3/4
24
7-7/32
2.25
1-3/4
30
8-3/32
2.50
2
36*
9
3.00
2-1/4
* Note: If type 36 chamber is used, slack length should be less than 6".
“ LO N G - S TR OK E ” CL A MP TYPE BR AK E CHAMBE R DATA
Type
Outside
Diameter
Rated
Stroke
Maximum
Legal Stroke
Limit
16
6-3/8
2.50
2
20
6-25/32
2.50
2
24
7-7/32
2.50
2
24*
7-7/32
3.00
2-1/2
30*
8-3/32
3.00
2-1/2
Figure 3 – Measuring Maximum Stroke
* Note: Identified by square air port bosses.
Recommended Maintenance
Every Three Months or 25,000 Miles
1. Check the condition of the foundation brakes, including drums,
shoes and linings, cams, rollers, bushings, etc.
3. After allowing the brake drum to cool to room temperature, check
for correct chamber stroke following the procedure on page 10.
Due to different operating conditions, chamber stroke tests
may be necessary at earlier intervals. See charts above for the
recommended stroke measurements.
2. Check for structural damage of the housing, worn clevis, worn
clevis bushings, and condition of the boot for cuts or tears.
Replace if necessary.
WARNING
A Gunite automatic slack adjuster should not have to be manually adjusted except for initial installation and at the time of brake reline.
Every Six Months or 50,000 Miles Grease the Slack Adjuster
Gunite automatic slack adjusters are factory lubricated and
extensively sealed to protect against dirt, water, salt, and
other corrosive elements. Nevertheless, periodic lubrication is
recommended.
1. A grease fitting is provided to allow lubrication during normal
chassis servicing (see Figure 4). With a conventional grease gun,
lubricate until grease appears on the camshaft.
NOTE
Lubrication should be performed using an NLGI 1 or 2 grade grease
that has a working range of -40°F to 250°F. A grease containing
Molybdenum Disulfide should not be used as it will likely have a
negative impact on the function of key friction components and reduce
the operational efficiency of the automatic slack adjuster.
Grease Fitting
Figure 4 – Lubrication Point
12
Recommended Maintenance
Service Practices: Points and Precautions
1. Replace the Gunite automatic slack adjuster if it is not functioning
properly, as described under Function Test on page 15.
4. Never operate the vehicle with small 1/4" pin missing from the
clevis. The Gunite automatic slack adjuster will not maintain
proper brake adjustment with either pin missing (see below).
2. Replace the entire unit if damage is evident on the slack housing
or assembly.
5. Never attempt to disassemble a Gunite automatic slack adjuster.
Factory setting cannot be duplicated in the field. Instead, replace
the entire unit.
3. The unit must be replaced if less than 15 ft. lbs. of torque exists
when turning the hex extension counterclockwise. Refer to the
test as described under Trouble Shooting on page 15.
Bushing Replacement
1
2
Insert clevis pin into a new bushing. Support arm of Gunite
automatic slack adjuster and insert clevis pin with new bushing into
old bushing.
Using a hammer, drive the new bushing into the arm of the
automatic slack adjuster while driving out the old bushing. Make
sure the new bushing is flush with the sides of the arm.
Cutting Push Rods
This Procedure is for Collar Lock and Threaded Clevis Applications Only
1. Install the brake chamber in the proper mounting holes of the
chamber bracket for the Gunite automatic slack adjuster length
required.
4. From the 90 degree mark, measure back toward the air chamber
the proper “X” distance from the following chart. Mark the push
rod at the “X” dimension. Cut the push rod at this mark (see
Figure 6). The clevis is now ready to install on the push rod.
2. If the axle is equipped with spring brake chamber, manually cage
the spring brakes following the manufacturer’s recommended
procedures. The chamber must be in the fully released position.
3. Using a square, mark the universal push rod at the 90 degree
position when the square edge is centered in the end of the
S-Cam (see Figure 5). Make sure the push rod is centered in the
chamber and not cocked before marking the push rod.
“X” Dimension
Slack Adjuster
Arm Length
Gunite Standard Clevis
5" – 5-1/2"
2-1/4"
2-1/2"
6" – 6-1/2"
2-1/2"
2-3/4"
Gunite 2000 Clevis
Cut Here
S-Cam
Spline
S-Cam
Spline
Figure 5 – Marking the Push Rod
Figure 6 – Cutting the Push Rod
13
Brake Lining and/or Drum Replacement
Special attention must be given to following proper maintenance
procedures when changing linings and/or drums on a vehicle
equipped with Gunite automatic slack adjusters. Following
these procedures will ensure that the automatic slack adjuster is
functioning correctly before returning the vehicle to service.
3
Block the vehicle’s wheels.
1
Only back off the adjusting hex enough to allow the drum to clear
the lining. Remove the brake drum.
4
If the vehicle is equipped with spring brake chambers, manually
cage the spring brakes following the manufacturer’s recommended
procedures.
2
After the brake drum has been removed; rotate the hex extension
clockwise until the cam turns over. This will allow the brake rollers
to be in the release position.
5
Using a 7/16" wrench or socket, rotate the hex extension
counterclockwise. You should have at least 15 ft. lbs. resistance and
a ratcheting sound will be heard as the hex extension is rotated. Do
not use an air impact wrench on the 7/16" hex. It can damage the
clutch.
Proceed with the lining change and/or brake drum replacement.
After completing this step, refer to page 11 for proper brake
adjustment, uncage the spring brakes, and refer to page 11 for power
stroke inspection.
14
Troubleshooting
1. Gunite automatic slack adjusters should not have to be manually
adjusted except for initial installation and at the time of brake
reline. If the power stroke, with an 90-psi brake application is less
than the Maximum Legal Stroke Limit shown in the chart on page
11, the Gunite automatic slack adjuster is functioning properly.
If the power stroke is greater than the Maximum Legal Stroke
Limit, the free stroke is greater than 5/8" and the function test
shows that the adjusting mechanism is working check the clevis
pins, clevis pin holes, and arm bushing for wear. Replacing
clevises, pins, and bushings that show wear may bring the brake
within the legal stroke limit.
2. If the chamber stroke exceeds the Maximum Legal Stroke Limit,
measure the free stroke.
5. Check the clockwise and counterclockwise torque by attaching a
torque wrench to the hex extension and turning in the clockwise
and counterclockwise directions and record the measurement.
The clockwise torque specification is 10 ft. lbs. maximum. The
counterclockwise torque specification is 15 to 50 ft. lbs. If these
torque specifications are violated the Gunite automatic slack
adjuster must be replaced.
3. Free stroke is the amount of movement of the slack adjuster arm
required to move the brake shoes against the drum. With the
brakes released, measure from the face of the air chamber to the
center of the large clevis pin (see Figure 7).
Apply pressure using a lever to activate the Gunite automatic
slack adjuster until the brake shoes make contact with the brake
drum surface. The difference between the released and the
applied measurements is the free stroke. The free stroke should
be 3/8" to 5/8".
6. If the Gunite automatic slack adjuster passes the free stroke,
function test, clockwise and counterclockwise torque tests and
the brake does not meet the Maximum Legal Stroke Limit check
the foundation brake. Check for worn cam bushings, pins, rollers,
broken springs, broken drums, sprung linings, worn quick connect
clevises, clevis pins, and clevis bushings. Repair as necessary
and repeat the function test to see if the Gunite automatic slack
adjuster meets the Maximum Legal Stroke Limit.
If the free stroke is less than 3/8", a dragging brake can occur. If
this situation occurs repeat the manual adjustment by repeating
steps 1 through 3 under Brake Adjustment.
If the free stroke is greater than the recommended distance of
5/8", a function test of the Gunite automatic slack adjuster should
be performed.
7. Pins seizing are a result of corrosive environments. If pins seizing
are a problem, they should be replaced with stainless steel pins.
WARNING
Gunite automatic slack adjusters should not be manually
adjusted in an effort to correct excessive pushrod stroke.
Excessive pushrod stroke indicates that a problem exists with the
automatic slack adjuster, with the installation of the automatic
slack adjuster, or with the related foundation brake components,
which manual adjustment will not fix. Manual adjustment of
Gunite automatic slack adjusters is a dangerous practice that
could have serious consequences because it gives the operator
a false sense of security about the effectiveness of brakes which
are likely to go out of adjustment again soon.
If you need additional service manuals or installation gauges,
contact Gunite at the address listed on the back of this manual.
Figure 7 – Free Stroke
4. To perform a function test, place a 7/16" box wrench on the
hex extension and rotate it 3/4 of a turn counterclockwise. A
ratcheting sound will be heard. Mark the 7/16" hex extension with
chalk and apply the brakes several times and watch for the hex
to rotate clockwise. The hex extension must rotate clockwise.
The adjustment is intentionally made in small increments so it
will take several cycles to bring the adjuster within the Maximum
Legal Stroke Limit in the chart on page 12.
15
ACCURIDE WHEEL END SOLUTIONS (AWES) LIMITED WARRANTY
TO FILE A WARRANTY CLAIM, CALL 1-800-869-2275 ext 1
Accuride Wheel End Solutions (AWES) warrants to the original purchaser that its products are free from defects in material
and workmanship. The limited warranty time-frame (reference table below) is based on the date of product manufacture
and shall be void if the product is altered, modified, misapplied, misused, neglected, repaired or not maintained in
accordance with the instructions printed in the product-specific Accuride Wheel End Solutions’ Safety & Service
Manuals(2).
GENERAL PRODUCT OVERVIEW
Product
Type
Accuride
Aluminum
Wheels(2)
Accuride
Steel
Wheels(2)
5 years/
60 months
5 years/
500,000
miles(1)
1 year/
12 months
3 years/
350,000
miles(1)
3 years/
300,000
miles(1)
Industry Standard
Aluminum wheels
Duplex® Aluminum
Wheels
ACCU-SHIELD®
Wheels
ACCU-ARMOR™
Wheels
2 years/
200,000
miles(1)
Limited
Warranty
ACCU-FLANGE™
Wheels
Duplex® Steel Disc
Wheels
Duplex®
Demountable Rims
Tube-Type Wheels
& Demountable
Rims
Light Truck Wheels
Steel Bolt-Together
Specialty Wheels
Extra Service Wheels™
(ESW)
Styled Steel Wheels
Tubeless Wheels and
Demountable Rims
Gunite Slack
Adjusters(2)
Over-The Road/
Line Operated
Trucks and Trailers
Gunite
Hubs(2)
TRU-SET® Trailer
School Bus/City
Delivery Vehicles
TRU-SET® Front/
Steer
TRU-SET® Rear/
Drive
Severe Service:
Garbage/Refuse
Trucks, Fire Trucks,
Logging, etc.
Industry Standard
Hubs
Gunite
Brake
Drums(2)
Industry Standard
Brake Drums
Gunite
Disc Brake
Rotors(2)
Industry Standard
Disc Brake Rotors
Gunite
Spoke
Wheels(2)
Industry Standard
Spoke Wheels
(1) Time or miles, whichever occurs first
(2) Refer to appropriate Accuride Wheel End Solutions guide for additional limited warranty condition details: Accuride Rim/Wheel Safety & Service Manual, Gunite Heavy-Duty Brake
Drums, Gunite Automatic Slack Adjuster Service Manual, Gunite Disc Brake Rotors Maintenance Manual, and Gunite Disc Wheel Hubs, High-Performance Hubs, and Spoke Wheels
Maintenance & Installation Manual
16
ACCURIDE WHEEL END SOLUTIONS (AWES) LIMITED WARRANTY
TO FILE A WARRANTY CLAIM, CALL 1-800-869-2275 ext 1
ADDITIONAL PRODUCT SPECIFIC LIMITED WARRANTY CRITERIA
Wheels: The above warranty shall be void if the product is used with improper tire sizes, inflation pressures, or exceeded load ratings.
The above warranty shall be void if the product is not properly maintained in accordance with the Accuride Rim/Wheel Safety & Service
Manual. The above warranty also does not cover defects resulting from corrosion (except as noted above), other non-Accuride components,
accident, excessive speed or other abnormal or severe operating conditions.
ACCU-ARMOR™ and ACCU-SHIELD®: AWES does not cover the following conditions: (i) Any damage in the areas of the mounting
surfaces, such as the area under the mounting nuts, the area in contact with hubs or drums and the area in contact with other wheels in
dual position, (ii) Any damage due to cleaning, including damage from the use of abrasives, abrasive brushes, steel wool, scouring pads
or strong chemicals, and (iii) Any damage to the wheel finish due to removal, misuse, or chipping, whether by contact with road obstacles
such as stones, gravel, curbs, barriers, signs, or otherwise. ACCU-SHIELD® products are not covered for corrosion. AWES recommends
cleaning wheels with mild soap and water.
ACCU-FLANGE™: The Accu-Flange treatment warranty covers original purchasers against sharp edges on the rim flange for two (2) years
from the date of manufacture. This warranty does not cover the following conditions: (i) Any damage due to cleaning, including damage
from the use of abrasives, abrasive brushes, steel wool, scouring pads, strong chemicals or corrosives, and (ii) Any damage due to removal,
misuse, or chipping, whether by contact with road obstacles such as stones, gravel, curbs, barriers, signs, tire changing equipment, or
otherwise. For Accu-Flange / Accu-Shield or Accu-Flange / Accu-Armor wheels, AWES recommends cleaning with mild detergent and
water only. For Accu-Flange only wheels, AWES recommends cleaning with mild detergent and water and then apply a wheel polish or
carnauba wax with 100% cotton cloth.
Standard Brake Drums, Spoke Wheels, Disc Wheel Hubs, Automatic Slack Adjusters, and Hardware: The above warranty shall be void if (i)
any goods have exceeded AWES’ acceptable wear limits or have been subjected to accidents or abnormal conditions of use, temperature,
moisture, dirt or corrosive matter, or (ii) the product fails as the result of another manufacturer’s product. The TRU-SET® disc wheel hub
requires the use of a seller-approved hubcap and lubricant.
REMEDIES AND LIMITATIONS OF REMEDIES
In the event of any material breach of the above limited warranties, AWES agrees to repair or replace, at its sole option, without charge
any and all of its warrantable product that fail during normal use and service due to defects in material and/or workmanship, all subject to
the original purchaser providing written notice of the alleged breach within 30 days of failure. Time is of the essence herein, and original
purchaser’s failure to provide written notice to AWES within the required time of any alleged breach of the foregoing warranty will release
and discharge AWES from any obligation or liability for that breach of warranty. In no event will AWES be liable for any other costs
associated with the replacement or repair of product covered under this warranty, including labor, installation or other costs incurred by
customer.
The remedies set forth herein shall be the sole and exclusive remedies available to the original purchaser so that AWES repair or
replacement is a fulfillment of all AWES obligations. AWES SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL
DAMAGES OF ANY KIND. FURTHER, UNDER NO CIRCUMSTANCE SHALL AWES BE LIABLE FOR DAMAGES BEYOND THE PRICE
OF THE GOODS PURCHASED BY THE ORIGINAL PURCHASER, WHETHER IN CONTRACT, IN TORT OR UNDER ANY WARRANTY OR
OTHER USE.
AWES reserves the right to request product return as a condition of reimbursement. Return expense may be paid by AWES or may be
reimbursed to the original purchaser if product is found to be warrantable. No goods are to be returned to AWES without a Returned Goods
Authorization (RGA). If AWES determines that any of the returned goods are non-warrantable, AWES reserves the right to charge the
original purchaser for the recovery of all transportation costs and expenses incurred in examining, processing and handling such goods.
Any controversy or claim that customer may wish to bring that is arising out of or related to this limited warranty or breach hereof must be
commenced in writing within 30 days of notification of warrantable status.
Any product deemed non-warrantable is the property of the original purchaser and can be returned to the original purchaser upon its request
and at its sole cost and expense. Should the non-warrantable item(s) not be reclaimed, AWES will disposition the product no sooner than
30 days after original purchaser notification has been made.
For all warranty related questions, please contact your AWES warranty administrator at 1-800-869-2275 Option 1 or submit questions or
claims to warrantyadmin@accuridecorp.com. A completed warranty claim form can also be faxed to 1-815-964-0775.
THE ABOVE WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY GIVEN BY AWES AND IS IN LIEU OF ALL OTHER WARRANTIES
EXPRESSED, STATUTORY OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ALL OF WHICH ARE EXPRESSLY DISCLAIMED BY AWES. IN NO EVENT SHALL THIS WARRANTY BE DEEMED TO COVER
INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND.
17
NOTES
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Your only single source for industry-leading wheel end solutions.
STEEL & ALUMINUM WHEELS | DRUMS | HUBS | ROTORS | SLACK ADJUSTERS
(800) 677-3786 / (815) 964-3301 | accuridewheelendsolutions.com
Gunite | 302 Peoples Avenue | Rockford, IL 61104–7092
WE3.001 0914 Replaces GUN2.0005 Rev. 4 0912 ©2014 Accuride Corporation